pond pine vs pine

pond pine and pine both are nouns.

Word	Noun	Adjective	Verb	Adverb
pond pine	Yes	No	No	No
pine	Yes	No	Yes	No

As nouns, pine is a hypernym of pond pine; that is, pine is a word with a broader meaning than pond pine:

pond pine: large three-needled pine of sandy swamps of southeastern United States; needles longer than those of the northern pitch pine
pine: a coniferous tree

Other hypernyms of pond pine include pine tree, true pine.

pond pine (noun)	pine (noun)
large three-needled pine of sandy swamps of southeastern United States; needles longer than those of the northern pitch pine	a coniferous tree
	straight-grained durable and often resinous white to yellowish timber of any of numerous trees of the genus Pinus

pond pine (verb)	pine (verb)
	have a desire for something or someone who is not present